Here's a little teaser:
“Hurry, hurry, they’re getting closer!” BJ shouted. The huge pirate ship was slowly turning, pointing its prow directly at the smaller craft. BJ could see the words Royal Savage painted in gold letters on the ship’s side. Jekka grabbed her camera and took pictures as the ship got closer.
When Air Force Blue’s engine roared to life, Royal Savage was close enough the girls could see figures walking on its deck and climbing through its rigging. The lake had turned a fierce gray color and strong winds blew surprising clouds overhead. The waves were much larger now and capped with white foam.
“Hold on everyone!” Pop Pop shouted, then his boat shot forward, towards the north end of the island.
A loud explosion erupted from Royal Savage, followed by a big splash near Air Force Blue.
“They’re shooting their cannons at us!” Pop Pop said. “Time for some fancy boat work.”
He zig-zagged his boat from side to side, kicking up big sprays. Cannonballs continued to hit the water around them…